KEPCO RA 59, Инструкция по эксплуатации

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RA 59 051313
2-3
2.6 INSTALLATION (Refer to “Mechanical Outline Drawing,” Figure 1-2.)
The RA 59 rack adapter is designed for rack-mounted applications, The rack adapter will mount
directly to EIA standard 24” racks. Other fixed mounting applications are possible; consult fac-
tory for details.
When used in fixed rack-mounted applications, the rack adapter is attached to the rack via the
two mounting ears. Two screws are required per mounting ear for proper support. Kepco recom-
mends using auxiliary support when the rack adapter is fully populated with four HSP power
supplies to accommodate the weight of the power supplies and associated load cables: either a
shelf, rear support brackets or side support brackets (see Table 1-1).
For all installations provide adequate clearance around air inlet and exhaust locations and
ensure that the temperature immediately surrounding the unit, and especially near the air inlets,
does not exceed the maximum specified ambient temperature for the operating conditions of the
installed power supplies.
CAUTION
WHEREVER POSSIBLE RACK ADAPTER SHOULD BE MOUNTED BEFORE INSTALLING
POWER SUPPLIES TO AVOID DlSTORTlON OF THE RACK ADAPTER (INSTALL POPU-
LATED RACK ADAPTER ONLY IF BOTTOM OF RACK ADAPTER IS FULLY SUPPORTED).
FAILURE TO OBSERVE THIS CAUTION MAY RESULT IN MISALIGNMENT OF THE POWER
SUPPLIES WITH THE RACK ADAPTER.
2.7 WIRING INSTRUCTIONS
Interconnections between an a-c power source and a stabilized power supply, and between the
power supply and its load are as critical as the interface between other types of electronic equip-
ment. If optimum performance is expected, certain rules for the interconnection of source,
power supply and load must be observed by the user. These rules are described in detail in the
following paragraphs and in the operating instructions for HSP Series power supplies.
2.7.1 SAFETY GROUNDING
Local, national and international safety rules dictate the grounding of the metal cover and case
of any instrument connected to the a-c power source, when such grounding is an intrinsic part of
the safety aspect of the instrument. The instructions below suggest wiring methods which com-
ply with these safety requirements; however, in the event that the specific installation for the
power system involves differences with the recommended wiring, it is the customer's responsi-
bility to ensure that all applicable electric codes for safety grounding requirements are met.
2.7.2 SOURCE POWER CONNECTIONS
The rear panel of the RA 59 rack adapter (Figure 2-2) includes nine terminal blocks to allow for
individual connection of single-phase a-c and d-c input power to each position, These terminal
blocks are labeled Ll, Nl, L2, N2, L3, N3, L4, N4, and G. Each terminal block will accommodate
up to #6 AWG (16mm
2
) or equivalent conductor size. Their functions are as follows:
• Terminal G (Ground) is the safety ground connection for the rack adapter, and is con-
nected to the rack adapter chassis as well as to the safety ground terminal of the source
power connector of each of the three power supply mounting positions. Regardless of
the type Of source power provided, Terminal G must be connected to safety ground in